When polyethylene glycols(PEG) has a reversible heating and cooling, its super molecule structue will have some change in macroscale of its properties called phase transition.是什么意思_When polyethylene glycols(PEG) has a reversible heating and cooling, its super molecule structue will have some change in macroscale of its properties called phase transition.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句